NPDES General Permit for Federal Aquaculture Facilities and Aquaculture Facilities Located in Indian Country in Washington

Current permit

Below is EPA's National Pollutant Discharge Elimination System (NPDES) general permit for federal aquaculture facilities and aquaculture facilities located in Indian Country within the boundaries of Washington.

Permit number: WAG130000
Effective date: March 1, 2024
Permit expires: February 28, 2029

• NPDES General Permit, Federal Aquaculture Facilities and Aquaculture Facilities Located in Indian Country Within the Boundaries of the State of Washington, #WAG130000 (pdf) (2.29 MB, January 8, 2024)
  Final permit.
• Appendix D.2: Quality Assurance Plan Template (docx) (98.92 KB)
  Optional Microsoft Word template for permittees.
• Appendix E.2: Best Management Practices Plan Template (docx) (67.32 KB)
  Optional Microsoft Word template for permittees.
• 2023 NPDES Permit Fact Sheet Addendum, #WAG130000 (pdf) (pdf) (394.72 KB, July 2023)
  Technical basis for revisions to 2022 draft general permit.
• 2022 NPDES Permit Fact Sheet, #WAG130000 (pdf) (3.81 MB, September 2022)
  Technical basis for 2022 draft permit.
• Response to Comments on Draft NPDES Permit #WAG130000 (pdf) (352.71 KB, November 9, 2023)
  EPA's responses to comments received during the September 2022 and July 2023 public comment periods.
• Biological Evaluation, NPDES General Permit #WAG130000 (pdf) (2.31 MB, December 2015)
• Water Sampling and Testing for Formaldehyde at Northwest Fish Hatcheries (pdf) (15.32 MB, August 2017, EPA-910-R-17-005)

Proposed permit modification

EPA is proposing to modify this permit. A public notice requesting comments on the proposed permit modification will be published in the Federal Register on August 14. Comments are due September 28. Copies of the draft general permit modification and supporting documents are available below.

• Draft NPDES General Permit Modification, Federal Aquaculture Facilities and Aquaculture Facilities Located in Indian Country in Washington, #WAG130000 (pdf) (2.43 MB, August 2026)
  Proposed modification to general permit.
• NPDES Permit Fact Sheet Addendum, Federal Aquaculture Facilities and Aquaculture Facilities Located in Indian Country in Washington, #WAG130000 (pdf) (979.05 KB, August 2026)
  Basis for proposed modification to general permit.